The principle used in a musket was just like the principle behind cannon which is why muskets were also called mini canons. As it was difficult for a soldier to measure the amount of powder to be poured down the barrel, it was supplied in a pre-measured pouch that had to be torn apart by the soldier before every shot.
The approx distance between Heathrow and Gatwick in a straight line is 24 miles or 38.62 KMS See the maps and links below for additional information related to driving distances, fuel costs and estimated journey times for this trip from Heathrow to Gatwick.Happy trails!!pprox distance in miles from Heathrow to Gatwick is 24 miles or 38.62 KMS. This page was designed to give you a good indication of the distance from Heathrow to Gatwick.
1 Yes â Heathrow Airport is on the Piccadilly Line in London travel zone 6. 2  The journey time between Heathrow Airport and central London is around 45 â 50 minutes.  You can use a Visitor Oyster card to travel between Gatwick Airport and London on Southern, Thameslink and Gatwick Express trains.